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参数资料
| 型号： | PR048A480M024FP |
| 元件分类： | 电源模块 |
| 英文描述： | 1-OUTPUT 240 W DC-DC REG PWR SUPPLY MODULE |
| 封装： | ROHS COMPLIANT PACKAGE-20 |
| 文件页数： | 8/13页 |
| 文件大小： | 684K |
| 代理商： | PR048A480M024FP |
Parameter
Min
Typ
Max
Unit
Note
Output voltage range
26
48
55
Vdc
Factorized Bus voltage (Vf) set by ROS
Output power
0
240
W
Output current
0
5
Adc
DC current limit
5.25
6.0
6.6
Adc
IL pin floating
Average short circuit current
0.5
A
Auto recovery
Set point accuracy
1.5
%
Line regulation
0.17
0.2
%
Low line to high line
Load regulation
0.5
0.7
%
No CD resistor
Load regulation (at VTM output)
1.0
2.0
%
Adaptive Loop
Current share accuracy
5
10
%
Efficiency
Full load
96
%
See Figure 5,6 & 7
Output overvoltage set point
56
59.4
Vdc
Output ripple voltage
No external bypass
2.3
2.5
%
Factorized Bus, see Figure 12
With 10 F capacitor
0.35
1.1
%
Factorized Bus, See Figure 13
Switching frequency
1.35
1.45
1.55
MHz
Fixed frequency - across entire operating range
Output turn-on delay
From application of power
135
300
ms
See Figure 1
From PC pin high
100
s
See Figure 2
Internal output capacitance
5
F
Ceramic
Factorized Bus capacitance
47
F
Output Specifications (Conditions are at 48 Vin, 48 Vf [a], full load, and 25°C ambient unless otherwise specified)
SPECIFICATIONS (CONT.)
Pre-Regulator Module
PR048A480T024FP
vicorpower.com
Rev. 1.0
Page 4 of 13
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